Home / 11,170.96-15,398.28-8,925.76

Finding the Fourth Proportional to 11,170.96, 15,398.28 and 8,925.76

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Solution

The fourth proportional to 11,170.96, 15,398.28 and 8,925.76 is: 12,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.96 : 15,398.28 = 8,925.76 : x
  2. Step 2: Convert to fraction form
    11,170.96/15,398.28 = 8,925.76/x
  3. Step 3: Cross multiply
    11,170.96x = 15,398.28 × 8,925.76
  4. Step 4: Simplify right side
    11,170.96x = 137,441,351.69
  5. Step 5: Solve for x
    x = 137,441,351.69/11,170.96
  6. Step 6: Final answer
    x = 12,303.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.